<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <link rel="stylesheet" href="./22-2less.css">
        <title>less</title>
    </head>
    <body>
        <button class="button">按钮</button>
        <div class="box"></div>
        <button class="redLcButton">按钮啊啊啊啊</button>
        <div class="ccbutton"></div>
        <div class="small"></div>
    </body>
</html>